The subject of a sentence is who or what the sentence is about.
There are three types of subject:
As you can probably tell, simple is the easiest, complete is a little more complicated, and compound is sometimes enough to make your brain explode into a zillion tiny, gooey pieces.
Don't worry, though. Dr. Shmoop is in the house to help you collect those brain-pieces, smoosh them back together and… ugh, this is getting gross.
Let's stick with the fact that we'll help you.
Examples of Common Subject Pronouns: